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ERJ 145 operating for Air France ]] ERJ 140]] (Now BA Connect) ERJ 145 in British Airways Utopia Livery ''Pathania'']] ERJ145 operating for Air France ]] The Embraer ERJ 145 family of Regional Jets are produced by Embraer , a Brazil ian aerospace company. Family members include the '''ERJ 135''', '''ERJ 140''', '''ERJ 145''', and '''Legacy''', with the ERJ 145 being the largest of the group. The series are powered by two Turbofan engines. The series is one of the most popular regional jet families in the world with primary competition coming from the Canadair Regional Jet . The Legacy is a Business Jet version of the ERJ 135, available in "Executive" and "Shuttle" configurations. HISTORY Early design The ERJ 145 was originally launched at the Paris Airshow in 1989 as a stretched and turbofan-powered modification of the EMB 120 Brasilia . Key components of this design included:
Interim design By 1990, Embraer engineers found that the results of wind-tunnel testing was safisfactory, and began considering a significantly different design from the EMB 120. A modified design was proposed which included:
Production design The second design showed better performance in wind tunnel testing, but the combination of swept wings and wing-mounted engines required an undercarriage which was significantly higher than previous iterations. The design evolved until late 1991, at which time it was frozen. Though the aircraft went through many alterations before it was finalized, it did retain a few of the original influences of the EMB 120 such as the three abreast seating (2+1) configuration. The key features of the production design included:
Derivatives The ERJ 140 is based on the ERJ 145 with 96% parts commonality and the same crew-type rating. The only significant changes are a shorter fuselage, a slightly de-tuned engine and an increased range. At launch, Embraer estimated the cost of an ERJ 140 to be approximately $15.2 million U.S. dollars. The estimated cost of development of the ERJ 140 was $45 million US dollars. The ERJ 135, with a Entry Into Service date of 1999, has 95% parts commonality with the ERJ 145, but is 11.7 feet (3.6 m) shorter. The ERJ 145 seats 50 passengers, while the ERJ 140 seats 44, and the ERJ 135 seats 37. The ERJ 140 was designed with fewer seats in order to meet the needs of airlines based in the United States which have an agreement with the pilot's union as to the number of 50 seat aircraft that can be operated. In 2003, Embraer entered a partnership with the Harbin Aviation Industry Group of Harbin , China . The resulting company, Harbin Embraer , began producing the ERJ 145 for the Chinese market by assembling kits premanufactured by other worldwide Embraer operations. OPERATIONS The first flight of the ERJ 145 was on August 11 , 1995 , with the first delivery was in December 1996 to ExpressJet Airlines (then the regional division of Continental Airlines ). ExpressJet is the largest operator of the ERJ 145, with 260 of the nearly 1000 ERJ 145s in service. The second largest operator is American Eagle , with 107 ERJ 145 aircraft. Chautauqua Airlines also operates 61 ERJ 145s through its alliances with American Connection , Delta Connection , US Airways Express and United Express . By some accounts, the ERJ 145 has a cost of ownership of about $2,500,000 per year. As of early 2005, 74 ERJ 140s had been built with outstanding firm orders from several airlines. Though the marketing designation for this aircraft is ERJ 140LR, Embraer's internal designation, and also that of FAA certification, is EMB 135KL. The ERJ 140 was introduced in September of 1999, had its first flight on June 27 , 2000 and entered commercial service in July of 2001. American Eagle Airlines , the regional jet subsidiary of American Airlines , operates the majority of the ERJ 140s built. Mesa Airlines , Chautauqua Airlines and ExpressJet Airlines also operate the ERJ 140 in an increasing number of routes. Models Airborne Early Warning model]] Since original production began in 1995, Embraer has produced a number of design modifications to meet the specifications of their varied customers. Civilian Models
Military Models
MILITARY OPERATORS ACCIDENT HISTORY The ERJ 145 has an outstanding service record with no reported crashes or fatalities due to mechanical malfunction. There have been a small number of reported incidents involving the ERJ 145. In one case a Rio-Sul pilot descended beyond the normal rates and hit the runway at four times the normal speed. In the other case, a Continental Express (ExpressJet) flight overran a Cleveland runway in blizzard conditions; there were no injuries and the aircraft was returned to service. Another ExpressJet aircraft departed a runway at high speed in Texas during a training flight; that aircraft was a total loss, but again no injuries were sustained. SPECIFICATIONS General characteristics
Performance
REFERENCES
SEE ALSO
Related development: Comparable aircraft: Designation sequence: EMB 110 - EMB 120 - EMB 121 - ERJ 135 - ERJ 140 - ERJ 145 - 170 - 175 - 190 - 195 EXTERNAL LINKS |
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